#game {
    background: url("../img/background.png");
    width: 512px;
    height: 480px;
    margin: 200px auto 0;
    position: relative;
}

#game .hero {
    background: url("../img/hero.png");
    width: 32px;
    height: 32px;
    position: absolute;
    z-index: 1;
}

#game .monster {
    background: url("../img/monster.png");
    width: 30px;
    height: 32px;
    position: absolute;
}

.info {
    text-align: center;
}

#game .time{
    color: #fff;
    position: relative;
    z-index: 2;
    width: 100%;
    font-size: 2em;
    text-align: center;
}

.f-return a img {
    position: absolute;
    left: 0;
    top: 0;
    margin: 10px;
    width: 50px;
    height: 50px;
    cursor: pointer;
}